Localized irrigation is  also known as Drip irrigation or trickle irrigation or micro irrigation. It is an irrigation method that saves water and fertilizer by allowing water to drip slowly to the roots of plants, either on to the soil surface or directly on to the root zone, through a network of valves, pipesand emitters. It is done using  narrow tubes that deliver water directly to the base of the plant.

The advantages of drip irrigation are as follows:

·         Fertilizer and nutrient loss is minimized due to localized application and reduced leaching.

·         Water application efficiency is high if managed correctly.

·         Field levelling is not necessary.

·         Fields with irregular shapes are easily accommodated.

·         Recycled non-potable water can be safely used.

·         Moisture within the root zone can be maintained at field capacity.

·         Soil type plays less important role in frequency of irrigation.

·         Soil erosion is lessened.

·         Weed growth is lessened.

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